An audio-visual "package deal?"

    Collection:
    Agricultural Communications Documentation Center (ACDC)
    Contributers:
    Johnson, George F. (author / Pennsylvania State University)
    Format:
    Journal article
    Publication Date:
    1954-12
    Published:
    USA: American Association of Agricultural College Editors
    Location:
    Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C17899
    Journal Title:
    AAACE
    Journal Title Details:
    37 (4) : 1-2
    Subject Term:
    audiovisual aids, communication units, cooperation, extension communication, and visual communication

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